<template>
  <div id="aCoursesList" class="bg-fa of">
    <!-- /课程列表 开始 -->
    <section class="container">
      <header class="comm-title">
        <h2 class="fl tac">
          <span class="c-333">全部课程</span>
        </h2>
      </header>
      <section class="c-sort-box">
        <section class="c-s-dl">
          <dl>
            <dt>
              <span class="c-999 fsize14">课程类别</span>
            </dt>
            <dd class="c-s-dl-li">
              <ul class="clearfix">
                <li>
                  <a title="全部" href="#">全部</a>
                </li>
                <li v-for="(item,index) in subjectNestedList" :key="index">
                  <a :title="item.title" href="#"  @click="searchOne(item.id, index)" >{{item.title}}</a>
                </li>

              </ul>
            </dd>
          </dl>
          <dl>
            <dt>
              <span class="c-999 fsize14"></span>
            </dt>
            <dd class="c-s-dl-li">
              <ul class="clearfix">
                <li v-for="(item,index) in subSubjectList" :key="index" :class="{active:twoIndex==index}">
                  <a :title="item.title" href="#" @click="searchTwo(item.id, index)">{{item.title}}</a>
                </li>
              </ul>
            </dd>
          </dl>
          <div class="clear"></div>
        </section>
        <div class="js-wrap">
          <section class="fr">
            <span class="c-ccc">
              <i class="c-master f-fM">1</i>/
              <i class="c-666 f-fM">1</i>
            </span>
          </section>
          <section class="fl">
            <ol class="js-tap clearfix">
             <li :class="{'current bg-orange':buyCountSort!=''}">
                <a title="销量" href="javascript:void(0);" @click="searchBuyCount()">销量
                <span :class="{hide:buyCountSort==''}">↓</span>
                </a>
              </li>
              <li :class="{'current bg-orange':gmtCreateSort!=''}">
                <a title="最新" href="javascript:void(0);" @click="searchGmtCreate()">最新
                <span :class="{hide:gmtCreateSort==''}">↓</span>
                </a>
              </li>
              <li :class="{'current bg-orange':priceSort!=''}">
                <a title="价格" href="javascript:void(0);" @click="searchPrice()">价格&nbsp;
                  <span :class="{hide:priceSort==''}">↓</span>
                </a>
              </li>
            </ol>

          </section>
        </div>
        <div class="mt40">
          <!-- /无数据提示 开始-->
          <section class="no-data-wrap" v-if="data.total==0">
            <em class="icon30 no-data-ico">&nbsp;</em>
            <span class="c-666 fsize14 ml10 vam">没有相关数据，小编正在努力整理中...</span>
          </section>
          <!-- /无数据提示 结束-->
          <article class="comm-course-list">
            <ul class="of" id="bna">
              <li v-for="course in data.items" :key="course.id">
                <div class="cc-l-wrap">
                  <section class="course-img">
                    <img :src="course.cover" class="img-responsive" :alt="course.title">
                    <div class="cc-mask">
                      <a :href="'/course/'+course.id" target="_blank"  title="开始学习" class="comm-btn c-btn-1">开始学习</a>
                    </div>
                  </section>
                  <h3 class="hLh30 txtOf mt10">
                    <a :href="'/course/'+course.id" target="_blank"  title="听力口语" class="course-title fsize18 c-333">{{course.title}}</a>
                  </h3>
                  <section class="mt10 hLh20 of">
                    <!-- <span v-if="Number(course.price)===0" class="fr jgTag bg-green">
                      <i class="c-fff fsize12 f-fA">免费</i>
                    </span> -->
                    <span class="fr jgTag bg-green">
                      <i class="c-fff fsize12 f-fA">{{ Number(course.price) === 0 ? '免费' : `价格: ${course.price}` }}</i>
                    </span>
                    <span class="fl jgAttr c-ccc f-fA">
                      <i class="c-999 f-fA">{{course.buyCount}}学习</i>
                      |
                      <i class="c-999 f-fA">{{course.viewCount}}浏览</i>
                    </span>
                  </section>
                </div>
              </li>
            </ul>
            <div class="clear"></div>
          </article>
        </div>
        <!-- 公共分页 开始 -->
        <div>
  <div class="paging">
    <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
    <a
      :class="{undisable: !data.hasPrevious}"
      href="#"
      title="首页"
      @click.prevent="gotoPage(1)">首</a>
    <a
      :class="{undisable: !data.hasPrevious}"
      href="#"
      title="前一页"
      @click.prevent="gotoPage(data.current-1)">&lt;</a>
    <a
      v-for="page in data.pages"
      :key="page"
      :class="{current: data.current == page, undisable: data.current == page}"
      :title="'第'+page+'页'"
      href="#"
      @click.prevent="gotoPage(page)">{{ page }}</a>
    <a
      :class="{undisable: !data.hasNext}"
      href="#"
      title="后一页"
      @click.prevent="gotoPage(data.current+1)">&gt;</a>
    <a
      :class="{undisable: !data.hasNext}"
      href="#"
      title="末页"
      @click.prevent="gotoPage(data.pages)">末</a>
    <div class="clear"/>
  </div>
</div>
        <!-- 公共分页 结束 -->
      </section>
    </section>
    <!-- /课程列表 结束 -->
  </div>
</template>
<!-- <script>
import course from "@/api/course"
export default {
  setup() {
     //数据
      let page = 1
      let data={}
      let subjectNestedList=[] // 一级分类列表
      let subSubjectList=[] // 二级分类列表
      let searchObj={}// 查询表单对象
      let oneIndex = -1
      let twoIndex = -1
      let buyCountSort = ""
      let gmtCreateSort = ""
      let priceSort = ""
      
      //方法
      //查询第一页数据
      const initCourseFirst = () =>{ 
        course.getAllCourse(1,8,this.searchObj).then(Response=>{
            console.log("我出来了"+JSON.stringify(Response.data))
            this.data = Response.data.data
        })
      }
      //返回一个对象
      return{
        initCourseFirst
      }
  },
}
</script> -->
<script>
import course from "@/api/course"
export default {
  data(){
    return {
      page:1,
      data:{
      },
      subjectNestedList: [], // 一级分类列表
      subSubjectList: [], // 二级分类列表
      searchObj: {}, // 查询表单对象
      oneIndex:-1,
      twoIndex:-1,
      buyCountSort:"",
      gmtCreateSort:"",
      priceSort:""
    }
  },

  //加载完渲染时
  created () {
    //获取课程列表
    this.initCourse()
    //获取分类
    this.initSubject()
  },

  methods: {
    //分页课程数据
    initCourse(){
      course.getAllCourse(1,8,this.searchObj).then(Response=>{
            // this.data = JSON.stringify(Response.data.data.map.items)
            this.data = Response.data.data.map
            // this.searchObj = this.data.
            console.log("我data也出来了："+ JSON.stringify(this.data))

        })
    },
    gotoPage(page) {
      course.getAllCourse(page,8,this.searchObj)
        .then(response => {
          this.data = response.data.data.map           
           console.log("第二次我data也出来了："+ JSON.stringify(this.data))

        })
    },
    //课程分类数据
    initSubject(){
      course.getSubjectInfo().then(Response=>{
        
        this.subjectNestedList = Response.data.data.list
        console.log("我data也出来了："+JSON.stringify(this.subjectNestedList))
      })
    },
    searchOne(subjectParentId, index) {
      //debugger
      this.oneIndex = index
      this.twoIndex = -1
      console.log("你干嘛1：" + JSON.stringify(this.searchObj))
      this.searchObj.subjectParentId = subjectParentId;
      console.log("你干嘛2：" + JSON.stringify(this.searchObj))
      this.gotoPage(this.page)
      
      for(let i=0;i<this.subjectNestedList.length;i++) {
        //获取每个一级分类
        var oneSubject = this.subjectNestedList[i]
        //比较id是否相同
        if(subjectParentId == oneSubject.id) {
          //从一级分类里面获取对应的二级分类
          this.subSubjectList = oneSubject.children
           this.subSubjectList
           console.log("你干嘛3：" + JSON.stringify(this.subSubjectList
           ))

        }
      }
    },
    //点击二级分类，查询数据
    searchTwo(subjectId, index) {
      this.twoIndex = index
      this.searchObj.subjectId = subjectId;
      this.gotoPage(this.page)
    },

    //按照发布时间进行排序
    searchGmtCreate(){
      this.buyCountSort = ''
      this.gmtCreateSort='1'
      this.priceSort=''

      this.searchObj.buyCountSort =  this.buyCountSort
      this.searchObj.gmtCreateSort =  this.gmtCreateSort
      this.searchObj.priceSort =  this.priceSort

      this.gotoPage(1)



    },
    //按照浏览量进行排序
    searchBuyCount(){
      this.buyCountSort = '1'
      this.gmtCreateSort=''
      this.priceSort=''

      this.searchObj.buyCountSort =  this.buyCountSort
      this.searchObj.gmtCreateSort =  this.gmtCreateSort
      this.searchObj.priceSort =  this.priceSort

      this.gotoPage(1)
    },
    //按照销量进行进行排序
    searchPrice(){
      this.buyCountSort = ''
      this.gmtCreateSort=''
      this.priceSort='1'

      this.searchObj.buyCountSort =  this.buyCountSort
      this.searchObj.gmtCreateSort =  this.gmtCreateSort
      this.searchObj.priceSort =  this.priceSort

      this.gotoPage(1)
    }
  },

}
</script>